A volcano in southwest Iceland has finally erupted, spewing rivers of lava from at least a four-km-long fissure, weeks after scores of earthquakes jolted the Reykjanes peninsula. The eruption late on ...

Mexico’s Popocatépetl volcano has long drawn attention for its size, constant activity, and glowing plumes of smoke and ash, ...

Twenty-five years ago, the frequently explosive activity of Kilauea was unappreciated. Since then, continuing research has emphasized Kilauea’s past, and potential future, explosive eruptions. Lava ...